168949087 has 2 divisors, whose sum is σ = 168949088. Its totient is φ = 168949086.

The previous prime is 168949061. The next prime is 168949091. The reversal of 168949087 is 780949861.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168949087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168949097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84474543 + 84474544.

It is an arithmetic number, because the mean of its divisors is an integer number (84474544).

Almost surely, 2^168949087 is an apocalyptic number.

168949087 is a deficient number, since it is larger than the sum of its proper divisors (1).

168949087 is an equidigital number, since it uses as much as digits as its factorization.

168949087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 168949087 is about 12998.0416601887. The cubic root of 168949087 is about 552.8219557695.

The spelling of 168949087 in words is "one hundred sixty-eight million, nine hundred forty-nine thousand, eighty-seven".